[INFO] fetching crate linera-wit-bindgen-core 0.2.0... [INFO] checking linera-wit-bindgen-core-0.2.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate linera-wit-bindgen-core 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate linera-wit-bindgen-core 0.2.0 [INFO] finished tweaking crates.io crate linera-wit-bindgen-core 0.2.0 [INFO] tweaked toml for crates.io crate linera-wit-bindgen-core 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate linera-wit-bindgen-core 0.2.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 11 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33d36c52f2190321780dd88f718b606fd1039b2cbfbc0d496913a46f4e7a3f67 [INFO] running `Command { std: "docker" "start" "-a" "33d36c52f2190321780dd88f718b606fd1039b2cbfbc0d496913a46f4e7a3f67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33d36c52f2190321780dd88f718b606fd1039b2cbfbc0d496913a46f4e7a3f67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33d36c52f2190321780dd88f718b606fd1039b2cbfbc0d496913a46f4e7a3f67", kill_on_drop: false }` [INFO] [stdout] 33d36c52f2190321780dd88f718b606fd1039b2cbfbc0d496913a46f4e7a3f67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0781d2d87d975648bab518b50e2b51d99d15c572bdf8f02f02b0ef3b19d4e8d [INFO] running `Command { std: "docker" "start" "-a" "b0781d2d87d975648bab518b50e2b51d99d15c572bdf8f02f02b0ef3b19d4e8d", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.99 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling pulldown-cmark v0.8.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking unicase v2.8.1 [INFO] [stderr] Checking id-arena v2.2.1 [INFO] [stderr] Checking unicode-xid v0.2.6 [INFO] [stderr] Checking tinyvec v1.10.0 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Checking linera-wit-parser v0.2.0 [INFO] [stderr] Checking linera-wit-bindgen-core v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | drop((imports, exports)); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(&[linera_wit_parser::Interface], &[linera_wit_parser::Interface])` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 44 - drop((imports, exports)); [INFO] [stdout] 44 + let _ = (imports, exports); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | drop((iface, dir)); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(&linera_wit_parser::Interface, Direction)` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 48 - drop((iface, dir)); [INFO] [stdout] 48 + let _ = (iface, dir); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | drop((iface, dir)); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(&linera_wit_parser::Interface, Direction)` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 93 - drop((iface, dir)); [INFO] [stdout] 93 + let _ = (iface, dir); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | drop((iface, dir)); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(&linera_wit_parser::Interface, Direction)` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 97 - drop((iface, dir)); [INFO] [stdout] 97 + let _ = (iface, dir); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | drop((iface, dir)); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(&linera_wit_parser::Interface, Direction)` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 102 - drop((iface, dir)); [INFO] [stdout] 102 + let _ = (iface, dir); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | drop(files); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Files` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 108 - drop(files); [INFO] [stdout] 108 + let _ = files; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | drop((imports, exports)); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(&[linera_wit_parser::Interface], &[linera_wit_parser::Interface])` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 44 - drop((imports, exports)); [INFO] [stdout] 44 + let _ = (imports, exports); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | drop((iface, dir)); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(&linera_wit_parser::Interface, Direction)` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 48 - drop((iface, dir)); [INFO] [stdout] 48 + let _ = (iface, dir); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | drop((iface, dir)); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(&linera_wit_parser::Interface, Direction)` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 93 - drop((iface, dir)); [INFO] [stdout] 93 + let _ = (iface, dir); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | drop((iface, dir)); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(&linera_wit_parser::Interface, Direction)` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 97 - drop((iface, dir)); [INFO] [stdout] 97 + let _ = (iface, dir); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | drop((iface, dir)); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(&linera_wit_parser::Interface, Direction)` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 102 - drop((iface, dir)); [INFO] [stdout] 102 + let _ = (iface, dir); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | drop(files); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Files` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 108 - drop(files); [INFO] [stdout] 108 + let _ = files; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.52s [INFO] running `Command { std: "docker" "inspect" "b0781d2d87d975648bab518b50e2b51d99d15c572bdf8f02f02b0ef3b19d4e8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0781d2d87d975648bab518b50e2b51d99d15c572bdf8f02f02b0ef3b19d4e8d", kill_on_drop: false }` [INFO] [stdout] b0781d2d87d975648bab518b50e2b51d99d15c572bdf8f02f02b0ef3b19d4e8d